-73.92% is the change from 993 to 259
Calculation steps:
[( 259 - 993 ) ÷ 993] x 100 = -73.92%
Formula
Percentage change = [(259 - 993) / 993] x 100
Subtract the new number by the original number
259 - 993 = -734
-734 ÷ 993 = -0.7391742195367573
-0.7391742195367573 x 100 = -73.92%